Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Nearly 50% of the world's scientists are assigned to military projects.
71
Balsa wood is classified as a hard wood!
41
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
One barrel of petroleum holds 42 gallons.
20
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
One ragweed plant can release as many as one billion grains of pollen!
51